USPTO Patents Application 10790959

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PATENT ABSTRACTS OF JAPAN

(1 1 publication number : 53-03091 6

(43)Date of publication of application : 23.03.1978

(51)Int.CI.

C22C 38/58

, — i

(21 Application number

: 51-105505

(71)Applicant

: NIPPON STEEL CORP

(22)Date of filing :

03.09.1976

(72)Inventor :

YADA HIROSHI

HONDA MITSUO

— . _. I

(54) SUPER HIGH TENSILE AND TOUGH STEEL

(57)Abstract:

PURPOSE: To provide a super high tensile and tough steel having tensile strength higher than 150kg/mm2
and good toughness used for structural members by adding Cu and Al of each fixed amt to low C Ni-Cr-Mo
steel having excellent toughness to impart age hardenability.

LEGAL STATUS

[Date of request for examination]
[Date of sending the examiner's decision of rejection]
[Kind of final disposal of application other than the
examiner s decision of rejection or application
converted registration]

[Date of final disposal for application]
[Patent number]
[Date of registration]

[Number of appeal against examiner s decision of
rejection]

[Date of requesting appeal against examiner's decision
of rejection]

[Date of extinction of right]

Copyright (C); 1998,2000 Japan Patent Office

http://www1.ipdljpo.gojp/PA1/result/detail/main/wAAAa20855DA353030916P1.htm

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